NIOSH study finds most SCSRs do meet the intended needs: The extreme conditions found underground take a toll on self-contained, self-rescuers; some units perform better than others
págs. 24-26
Daimler Chrysler builds a mine-duty Dodge Ram truck: Automotive and engine OEMS work together with the mines to develop a diesel-powered underground vehicle that meets emissions standards
Steve Fiscor (ed. lit.)
págs. 28-32
The weatherby processing plant reaps big benefits from state-of-the-art technologies: Plant improvements lower magnetite costs and extend the life of the refuse disposal area
págs. 36-40
págs. 42-44
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